Multiple choice technology operating systems which command displays the disk space in unix dl -k ls -k df -k dz -k Reveal answer Fill a bubble to check yourself C Correct answer Explanation The 'df' (disk free) command with -k flag displays disk space usage in kilobytes on Unix systems. 'ls' lists directory contents, while 'dl' and 'dz' are not standard Unix commands. The -k flag specifically requests output in kilobyte units.